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Proton-Rich Sulphur and Nucleosynthesis in Classical Novae

Authors :
A. A. Chen
K. Setoodehnia
J. Chen
J. A. Clark
C. M. Deibel
S. D. Geraedts
D. Kahl
P. D. Parker
D. Seiler
C. Wrede
Bertram Blank
Source :
AIP Conference Proceedings.
Publication Year :
2011
Publisher :
AIP, 2011.

Abstract

The structure of proton-unbound states in {sup 30}{sub S} and {sup 31}{sub S} is important for determining the {sup 29}P(p,{gamma}){sup 30}S and {sup 30}P(p,{gamma}){sup 31}S reaction rates, which influence explosive hydrogen burning in classical novae. The former reaction rate in this temperature regime had been previously predicted to be dominated by two low-lying, unobserved, J{sup {pi}} = 3{sup +} and 2{sup +} resonances in {sup 30}S. To search for evidence for these levels, the structure of {sup 30}{sub S} was studied using the {sup 32}S(p,t){sup 30}S reaction with a magnetic spectrograph. We provide an update on the status of the ongoing analysis and some preliminary results.

Details

ISSN :
0094243X
Database :
OpenAIRE
Journal :
AIP Conference Proceedings
Accession number :
edsair.doi...........517c023c903d1c78931438b0b9a85fdf
Full Text :
https://doi.org/10.1063/1.3664151